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API API-570 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Damage Mechanisms & Materials | 16% | - Corrosion types (uniform, localized, CUI) - Positive Material Identification (PMI) - Stress corrosion cracking & sulfidation - Material properties & limitations |
| Components & Pressure Relieving Devices | 12% | - Valves, flanges, fittings & gaskets - Piping system flexibility & supports - Pressure relief devices inspection |
| Repairs, Alterations & Rerating | 14% | - Compliance with API 570 & ASME standards - In-service welding rules - Rerating procedures - Temporary & permanent repairs |
| Inspection Planning & Practices | 17% | - NDT methods & application - Inspection scope & frequency - Thickness measurement locations - Inspection records & documentation |
| Welding Qualification & Inspection | 13% | - ASME Section IX requirements - Weld examination & acceptance criteria - WPS, PQR & WPQ review |
| Testing & Code Compliance | 7% | - ASME B31.3 process piping rules - API 570 scope & responsibilities - Hydrostatic & pneumatic testing |
| Data Evaluation & Calculations | 21% | - Minimum required thickness & MAWP - Weld & casting quality factors - Corrosion rate & remaining life calculations - Inspection interval determination |
API Piping Inspector Sample Questions:
1. A welder who tests on a ½" thick plate, groove weld in the 3G position is also qualified to weld in which other plate position?
A) Flat and horizontal
B) Vertical only
C) All plate positions
D) Flat
2. What is the maximum measurement for open defects in the weld or heat affect zone for a guided bend specimen?
A) 1/16"
B) No open defects are allowed
C) 1/8"
D) 3/16"
3. Erosion of the piping system usually occurs at:
A) Along straight run pipe
B) Any low-velocity and low-turbulence areas
C) Upstream of pump discharges
D) Elbows
4. For 1 1/4" thick carbon steel, what is the recommended preheat temperature?
A) 235°F
B) None
C) 300°F
D) 175°F
5. All piping system repair and alteration welding shall be done in accordance with:
A) API 570
B) ASME B31.G
C) The code to which the system was built.
D) ASME BPV IX
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: C |
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